<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="/js/vue.js"></script>
</head>
<body>
    <div id="app">
        <p>原始字符串:{{msg}}</p>
        <P>反转字符串:{{msg.split('').reverse().joinn(")}}</P>
        <p>计算属性反转:{{revMsg}}</p>
    </div>
</body>
<script>
    var vm=new Vue({
        el:'#app',
        data:{
            msg:'Hello Vue.js!'
        },
        computed:{
            revMsg:function(){
                return this.msg.split('').reverse().join('')
            }
        }
    })
</script>
</html>